What is the Difference Between Pacemaker and Defibrillator?

The main difference between a pacemaker and a defibrillator is their function and response to different heart conditions. Here are the key differences between the two devices:

Pacemaker:

• Helps the heart maintain a regular rhythm by sending steady, low-energy electrical impulses when needed.
• Treats bradycardia (slow heartbeat) and is less commonly used for tachycardia (fast heartbeat).
• Composed of a generator and leads that deliver electrical impulses to the heart.
• Can be permanent (internal) or temporary (external).

Defibrillator:

• Monitors the heart rate and delivers a strong electrical shock to restore the heartbeat to normal in the event of tachycardia.
• Functions as a pacemaker, delivering weaker shocks to correct bradycardia, but is primarily designed to treat life-threatening situations.
• Composed of a pulse generator with batteries and a capacitor that sends a powerful shock to the heart.
• Stands by as a guardian angel to save your life if your heartbeat becomes life-threatening.

In summary, a pacemaker is designed to keep the heart beating steadily, while a defibrillator is an implantable device that monitors the heart rhythm and provides electrical stimulation in instances where the heart's beating becomes highly irregular or life-threatening. Many defibrillators can also function as pacemakers, delivering weaker shocks to correct bradycardia.

Comparative Table: Pacemaker vs Defibrillator

Here is a table comparing the differences between pacemakers and defibrillators:

Pacemakers and defibrillators are both medical devices used to treat arrhythmias, but they work in different ways. Pacemakers deliver low-energy electrical pulses to help ensure the heart beats at a steady pace, while defibrillators deliver shocks to treat cardiac arrhythmias.